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建立了顶空毛细管气相色谱法测定福辛普利钠中的甲醇、丙酮、乙腈、二氯甲烷、乙酸乙酯、三氯甲烷、苯、甲苯和吡啶。采用HP-624(6%氰丙基苯基-94%二甲基硅氧烷)毛细管气相色谱柱,FID检测器。9种溶剂的平均回收率分别为100.7%、101.7%、102.2%、101.6%、99.5%、100.7%、101.5%、101.8%和102.1%,RSD均小于2.5%。
A capillary gas chromatography was developed for the determination of methanol, acetone, acetonitrile, methylene chloride, ethyl acetate, chloroform, benzene, toluene and pyridine in fosinopril sodium. A HP-624 (6% cyanopropylphenyl-94% dimethylsiloxane) capillary GC column with a FID detector was used. The average recoveries of the nine solvents were 100.7%, 101.7%, 102.2%, 101.6%, 99.5%, 100.7%, 101.5%, 101.8% and 102.1%, respectively, with RSDs less than 2.5%.